CN203733874U - Soft-packed battery pack and battery cell tab connecting structure - Google Patents

Soft-packed battery pack and battery cell tab connecting structure Download PDF

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Publication number
CN203733874U
CN203733874U CN201420122187.8U CN201420122187U CN203733874U CN 203733874 U CN203733874 U CN 203733874U CN 201420122187 U CN201420122187 U CN 201420122187U CN 203733874 U CN203733874 U CN 203733874U
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CN
China
Prior art keywords
metallic plate
wire harness
division board
metal guide
harness division
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN201420122187.8U
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Chinese (zh)
Inventor
陈亚杰
邹微波
杨彦刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Contemporary Amperex Technology Co Ltd
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Ningde Contemporary Amperex Technology Co Ltd
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Publication date
Application filed by Ningde Contemporary Amperex Technology Co Ltd filed Critical Ningde Contemporary Amperex Technology Co Ltd
Priority to CN201420122187.8U priority Critical patent/CN203733874U/en
Application granted granted Critical
Publication of CN203733874U publication Critical patent/CN203733874U/en
Priority to US14/660,938 priority patent/US9893341B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/502Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/503Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/502Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/514Methods for interconnecting adjacent batteries or cells
    • H01M50/517Methods for interconnecting adjacent batteries or cells by fixing means, e.g. screws, rivets or bolts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • H01M10/0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The utility model discloses a soft-packed battery pack and a battery cell tab connecting structure. The battery cell tab connecting structure comprises battery cell tabs, metal plates, metal conductive plates and a wire harness division plate, wherein the wire harness division plate is encapsulated on the extending surface of the tabs of the lithium battery cell; the metal plates are fixed on the surface of the wire harness division plate in the backward direction of the lithium battery cell; through grooves corresponding to each other are formed in the wire harness division plate and the metal plates; the battery cell tabs penetrate through the through grooves of the wire harness division plate and the metal plates, and are bent and fitted on the surface of the metal plates in the backward direction of the wire harness division plate; the metal conductive plates are compressed on the metal plates, and clamp the battery cell tabs tightly between the metal plates and the metal conductive plates. According to the utility model, connection of the battery cell tabs is realized in the manner of clamping and locking; not only the connection is firm, operation is simple, manufacturability of connection of soft-packed battery cells is improved, but also dismounting and replacement of one or more battery cells can be conducted conveniently and fast; using and maintaining property of the soft-packed battery pack is improved greatly.

Description

Flexible-packed battery group and cell polar ear syndeton
Technical field
The utility model belongs to field of batteries, and more particularly, the utility model relates to a kind of battery pack cell polar ear syndeton.
Background technology
Along with modern society is surging to the cry of low-carbon (LC) life, the application of lithium battery is also more and more extensive.Flexible package lithium cell, because having the advantages such as quality is little, energy density is high, cost is low, is applied to after modularization assembling in energy storage base station and electric motor car.Flexible package lithium cell mainly comprises aluminum plastic film flexible package lithium cell and special-shaped flexible package lithium cell, and traditional modularization assembling refers to multiple flexible packaged battery core connection in series-parallel are formed to lithium battery group.
The matrix thickness of flexible package lithium cell is less, and its lug is generally the good sheet metal of electric conductivity, as copper sheet, aluminium flake and nickel sheet etc.At present, the connection in series-parallel of flexible package lithium cell is by after cell polar ear is superposeed mutually, connects by modes such as laser welding, ultrasonic bonding or scolding tin.Be welded to connect to have and connect reliable, Stability Analysis of Structures, automaticity advantages of higher, but, be used in the connection of cell polar ear and but have a lot of problems, for example: it is too high that 1) scolding tin is easy to cause lug surface temperature, and due to heat transfer process, the temperature of lithium cell inside also can increase, thereby causes the cycle performance of battery core and stability to decline; 2) laser welding and ultrasonic bonding all belong to irreversible welding, not removable after welding, therefore after lithium battery group comes into operation, even if find that certain lithium cell wherein exists performance difference or can not normally use, also cannot change problem lithium cell, can only let alone to affect the normal use of other lithium cell in battery pack, until cause whole battery pack to be scrapped, this can cause the waste of resource undoubtedly, has also increased use cost simultaneously; 3) thickness of flexible package lithium cell is less, and the spacing of its lug and lug is also very little, is difficult to meet the needed space of laser welding and ultrasonic bonding, and this not only makes troubles to welding operation, and cell polar ear is also easy to sustain damage in the time of welding.
In view of this, necessaryly provide a kind of easy-to-mount battery pack cell polar ear syndeton.
Utility model content
The purpose of this utility model is: provide a kind of easy-to-mount battery pack cell polar ear syndeton, to solve problems of the prior art.
To achieve these goals, the utility model provides a kind of battery pack cell polar ear syndeton, and it comprises cell polar ear, metallic plate, metal guide electroplax and wire harness division board; The lug that described wire harness division board is encapsulated in battery core stretches out on face, and metallic plate is fixed on wire harness division board dorsad on the surface of battery core; On wire harness division board and metallic plate, offer the groove corresponding to each other, cell polar ear passes the groove of wire harness division board and metallic plate, fits in metallic plate dorsad on the surface of wire harness division board after bending; Metal guide electroplax is pressed on metallic plate and cell polar ear is closely held between metallic plate and metal guide electroplax.
One as the utility model battery pack cell polar ear syndeton is improved, described metallic plate and metal guide electroplax are on the other side's surface, be respectively equipped with corresponding depression and projection, a part for cell polar ear is clamped in these each other between the depression and projection of interlock.
One as the utility model battery pack cell polar ear syndeton is improved, and on described wire harness division board, offers groove, and metallic plate and metal guide electroplax are accommodated and are anchored in the groove of wire harness division board.
One as the utility model battery pack cell polar ear syndeton is improved, and between described metallic plate and wire harness division board, metal guide electroplax and metallic plate, all carries out dual connection by buckle and screw.
One as the utility model battery pack cell polar ear syndeton is improved, and forms the first end of metallic plate is carried out to spacing limiting section, and offer the screw hole corresponding with the second end of metallic plate on described wire harness division board; The first end of metallic plate forms the resettlement section suitable with metal guide electroplax first end, and the second end offers screw hole; The second end of metal guide electroplax also offers the screw hole corresponding with the screw hole of metallic plate the second end; The first end of metallic plate is limited level and vertically mobile by the limiting section of wire harness division board, and in the resettlement section of the first end insertion metallic plate of metal guide electroplax, and limited, the second end of metallic plate and metal guide electroplax is fixed by screws on wire harness division board.
To achieve these goals, the utility model also provides a kind of flexible-packed battery group, and it comprises two or more battery cores, the battery core housing identical with battery core quantity, at least one metallic plate, metal guide electroplax and a wire harness division board identical with metallic plate quantity; Battery core is contained in respectively in battery core housing, and fastening by Connection Element between battery core housing, the lug that wire harness division board is encapsulated in lithium cell stretches out on face; Described metallic plate is fixed on the outer surface of wire harness division board, wire harness division board and metallic plate offer the groove corresponding to each other, the cell polar ear of battery core passes the groove of wire harness division board and metallic plate, after bending, fit in metallic plate dorsad on the surface of wire harness division board, metal guide electroplax is pressed on metallic plate and cell polar ear is closely held between metallic plate and metal guide electroplax.
Improve as the one of the utility model flexible-packed battery group, described metallic plate and metal guide electroplax, on the other side's surface, are respectively equipped with corresponding depression and projection, and a part for cell polar ear is clamped in these each other between the depression and projection of interlock.
One as the utility model flexible-packed battery group is improved, and on described wire harness division board, offers groove, and metallic plate and metal guide electroplax are accommodated and are anchored in the groove of wire harness division board; Between metallic plate and wire harness division board, metal guide electroplax and metallic plate, all carry out dual connection by buckle and screw.
One as the utility model flexible-packed battery group is improved, and forms the first end of metallic plate is carried out to spacing limiting section, and offer the screw hole corresponding with the second end of metallic plate on described wire harness division board; The first end of metallic plate forms the resettlement section suitable with metal guide electroplax first end, and the second end offers screw hole; The second end of metal guide electroplax also offers the screw hole corresponding with the screw hole of metallic plate the second end; The first end of metallic plate is limited level and vertically mobile by the limiting section of wire harness division board, and in the resettlement section of the first end insertion metallic plate of metal guide electroplax, and limited, the second end of metallic plate and metal guide electroplax is fixed by screws on wire harness division board.
One as the utility model flexible-packed battery group is improved, and described metal guide electroplax is rigid plate.
Compared with prior art, the mode that the utility model is held locking by metallic plate and metallic conduction plate holder realizes the connection of cell polar ear, this mode is stable connection, simple to operate not only, improve the manufacturability that soft pack cell connects, and can be quickly and easily any one or more lithium cells be wherein carry out demolition and replacement, the useful life and the service quality that have fully ensured whole battery pack can not be limited by wherein some battery cores, greatly improve the operation and maintenance performance of flexible-packed battery group, reduced the use cost of battery pack.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model flexible-packed battery group, cell polar ear syndeton and beneficial effect thereof are elaborated.
Fig. 1 is the metal plate structure schematic diagram of the utility model battery pack cell polar ear syndeton.
Fig. 2 is the metallic conduction plate structure schematic diagram of the utility model battery pack cell polar ear syndeton.
Fig. 3 is the part assembling schematic diagram of the utility model flexible-packed battery group, and wherein, metal guide electroplax is not yet installed.
Fig. 4 is a metallic plate of the utility model battery pack cell polar ear syndeton package assembly enlarged drawing on wire harness division board.
Fig. 5 is the complete package assembly schematic diagram of the utility model flexible-packed battery group.
Embodiment
In order to make goal of the invention of the present utility model, technical scheme and useful technique effect thereof more clear, below in conjunction with the drawings and specific embodiments, the utility model is further elaborated.Should be understood that, the embodiment of describing in this specification is only used to explain the utility model, is not intended to limit the utility model.
Refer to Fig. 1 to Fig. 5, the utility model flexible package lithium cell group comprises two or more lithium cells 10, battery core housing 20 and the cell polar ear syndeton identical with lithium cell 10 quantity.Wherein, cell polar ear syndeton comprises a wire harness division board 30, at least one metallic plate 40, at least one metal guide electroplax 50 and multiple screw 60.
Lithium cell 10 is provided with outwardly directed cell polar ear, comprises anode ear 12 and negative electrode lug 14.Anode ear 12 is the aluminum metal film of thickness 0.1mm~0.5mm, and negative electrode lug 14 is the copper sheet metal of thickness 0.1mm~0.5mm.
Battery core housing 20 is the plastic cement shell of end face opening, and the space in it is used for accommodating lithium cell 10; On battery core housing 20, offer the screw hole for fixed plastics glue shell.
Refer to Fig. 3 and Fig. 4, the material of wire harness division board 30 is ABS+PC, has stronger anti-flammability and insulating properties.The upper surface of wire harness division board 30 offers the groove 34 for accommodating metallic plate 40; The first end of groove 34 forms the limiting section of restriction metallic plate 40 levels and vertical displacement, the second end offers screw hole (hidden by metallic plate 40 in figure and not shown), and middle part offers can be for the anode ear 12 of lithium cell 10 and the groove that negative electrode lug 14 passes.
In illustrated embodiment, the limiting section of first end comprises Horizontal limiting portion 36 and vertical limiting section 38, Horizontal limiting portion 36 stretches into two projections in groove 34 from the two side of groove 34 first ends, vertically limiting section 38 is for convexedly stretching in two quadrant shape lugs of two groove angle tops of first end; In the execution mode of other replacements, the shape of limiting section and particular location can also change to some extent, for example, are directly formed to the accepting hole suitable with the first end shape of metallic plate 40; In a word, as long as limiting section can limit the level of metallic plate 40 and vertically mobile, avoid it in groove 34, to be subjected to displacement.
Refer to Fig. 1, metallic plate 40 is rectangle, and after its first end raises up, inside hollows out, thus form one with the suitable resettlement section 42 of the first end 52 of metal guide electroplax 50; The second end of metallic plate 40 offers two screw holes 44.Main body between metallic plate 40 two ends hollows out at middle part and forms groove 46, and the plate body upper surface of groove 46 both sides is also respectively equipped with the depression 48 of a bar shaped.
Refer to Fig. 2, metal guide electroplax 50 is the cuboid metallic plate that rigidity is stronger, and its first end 52 is suitable with the resettlement section 42 of metallic plate 40, and the second end offers two screw holes 54 corresponding with the screw hole 44 of metallic plate 40.The lower surface of metal guide electroplax 50 respectively forms the projection 56 of a bar shaped near both sides place, position and the shape of projection 56 are corresponding with the depression 48 of metallic plate 40.
Screw 60 is the screw of diameter 3mm.
Refer to Fig. 3 to Fig. 5, when assembling, the surface of lithium cell 10 is clean by Ultrasonic Cleaning after, pack into correspondingly in battery core housing 20; Then, according to lithium cell connection in series-parallel designing requirement proper alignment battery core housing 20, place after end plate 22 at two ends, screw rod is passed to end plate 22 and the default screw hole of battery core housing 20 successively, utilize nut 24 to be locked, thereby all battery core housings 20 are fastened as a whole, realize the fixing of lithium cell 10.Afterwards, the lug that wire harness division board 30 is encapsulated in to lithium cell 10 stretches out on face, makes the anode ear 12 of lithium cell 10 and negative electrode lug 14 stretch out wire harness division board 30 by groove respectively; By metallic plate 40 corresponding packing in the groove 34 of wire harness division board 30 one by one, the vertical limiting section of the first end insertion wire harness division board 30 of metallic plate 40 38 times, its upper surface fits in the lower surface of vertical limiting section 38, end wall and two side fit in respectively the first end wall and the Horizontal limiting portion 36 of groove 34, therefore by firmly spacing in groove 34; After the anode ear passing from groove 46 12 and negative electrode lug 14 are bent, be fitted on the surface of metallic plate 40 and cover depression 48; Metal guide electroplax 50 is placed on to the upper surface of metallic plate 40, its first end 52 inserts in the resettlement section 42 of metallic plate 40, the screw hole 54 of the second end aligns with the screw hole 44 of metallic plate 40, and now, the projection 56 of metal guide electroplax 50 is also alignd with the depression 48 of metallic plate 40 just; Finally, utilize screw 60 that metal guide electroplax 50 and metallic plate 40 are fastened on wire harness division board 30, complete the assembling of lithium battery group.
In the middle of metal guide electroplax 50 uses cuboid metallic plate that rigidity is stronger while being stressed for fear of its two ends, upwarp, can push down cell polar ear upper surface with the form of rigid body when fully ensureing metal conductive plate 50 by screw 60 and snap lock, projection 56 can be inlayed with the depression of metallic plate 40 48 convex-concaves, ensure compactness and stability that cell polar ear connects.
In the lithium battery group assembling, the cell polar ear of lithium cell 10 is connected to each other because being closely held between metallic plate 40 and metal guide electroplax 50, realizes series connection and/or the parallel connection of lithium cell 10; And depression 48 and protruding 56 occlusion structures between metallic plate 40 and metal guide electroplax 50 mating surfaces also can make to contact more closely and abundant between cell polar ear and metallic plate 40, metal guide electroplax 50, effectively ensure the steadiness connecting.
Simultaneously, what between the each element due to cell polar ear syndeton, adopt is all dismountable compound mode such as buckle, screw, therefore in the use procedure of lithium battery group, if find that the quality of certain lithium cell 10 goes wrong or cisco unity malfunction, can take off the metallic plate relevant with this lithium cell 10 40, metal guide electroplax 50 by taking screw 60 apart, take again nut 24 apart and extract the screw rod of fixing battery core housing 20 out, just can take out like a cork and change problematic lithium cell 10.
Predictably, cell polar ear syndeton of the present utility model not only can be applied in flexible package lithium cell group, equally also can be applied in the group connection in series-parallel of battery core of the battery such as ni-mh, NI-G.
Known by above description, the utility model at least has following beneficial effect:
1) compared with soldering, the problem of having avoided battery core high temperature to damage, and in cell polar ear connection procedure without extra raw material, not only environmental protection but also low cost;
2) compare with ultrasonic bonding with laser welding, buckle and the screw of the utility model cell polar ear syndeton are simple to operate, and requisite space is less, can not cause cell polar ear impaired because of space interference;
3) removably connect and make the replacing of lithium cell become simple and fast, improve the operation and maintenance performance of flexible package lithium cell group, after having avoided existing lithium battery bond pads to connect, can not change lithium cell, the drawback that can only overall scrap after going wrong, has saved cost greatly.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also carry out suitable change and amendment to above-mentioned execution mode.Therefore, the utility model is not limited to embodiment disclosed and described above, also should fall in the protection range of claim of the present utility model modifications and changes more of the present utility model.In addition,, although used some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the utility model.

Claims (10)

1. a battery pack cell polar ear syndeton, it comprises cell polar ear, metallic plate, metal guide electroplax and wire harness division board, it is characterized in that: the lug that described wire harness division board is encapsulated in battery core stretches out on face, metallic plate is fixed on wire harness division board dorsad on the surface of battery core; On wire harness division board and metallic plate, offer the groove corresponding to each other, cell polar ear passes the groove of wire harness division board and metallic plate, fits in metallic plate dorsad on the surface of wire harness division board after bending; Metal guide electroplax is pressed on metallic plate and cell polar ear is closely held between metallic plate and metal guide electroplax.
2. battery pack cell polar ear syndeton according to claim 1, it is characterized in that: described metallic plate and metal guide electroplax are on the other side's surface, be respectively equipped with corresponding depression and projection, a part for cell polar ear is clamped in these each other between the depression and projection of interlock.
3. battery pack cell polar ear syndeton according to claim 1 and 2, is characterized in that: on described wire harness division board, offer groove, metallic plate and metal guide electroplax are accommodated and are anchored in the groove of wire harness division board.
4. battery pack cell polar ear syndeton according to claim 1 and 2, is characterized in that: between described metallic plate and wire harness division board, metal guide electroplax and metallic plate, all carry out dual connection by buckle and screw.
5. battery pack cell polar ear syndeton according to claim 1 and 2, is characterized in that: on described wire harness division board, form the first end of metallic plate is carried out to spacing limiting section, and offer the screw hole corresponding with the second end of metallic plate; The first end of metallic plate forms the resettlement section suitable with metal guide electroplax first end, and the second end offers screw hole; The second end of metal guide electroplax also offers the screw hole corresponding with the screw hole of metallic plate the second end; The first end of metallic plate is limited level and vertically mobile by the limiting section of wire harness division board, and in the resettlement section of the first end insertion metallic plate of metal guide electroplax, and limited, the second end of metallic plate and metal guide electroplax is fixed by screws on wire harness division board.
6. a flexible-packed battery group, it comprises two or more battery cores, the battery core housing identical with battery core quantity, at least one metallic plate, metal guide electroplax and a wire harness division board identical with metallic plate quantity; Battery core is contained in respectively in battery core housing, and fastening by Connection Element between battery core housing, the lug that wire harness division board is encapsulated in battery core stretches out on face; It is characterized in that: described metallic plate is fixed on the outer surface of wire harness division board, wire harness division board and metallic plate offer the groove corresponding to each other, the cell polar ear of battery core passes the groove of wire harness division board and metallic plate, after bending, fit in metallic plate dorsad on the surface of wire harness division board, metal guide electroplax is pressed on metallic plate and cell polar ear is closely held between metallic plate and metal guide electroplax.
7. flexible-packed battery group according to claim 6, it is characterized in that: described metallic plate and metal guide electroplax are on the other side's surface, be respectively equipped with corresponding depression and projection, a part for cell polar ear is clamped in these each other between the depression and projection of interlock.
8. according to the flexible-packed battery group described in claim 6 or 7, it is characterized in that: on described wire harness division board, offer groove, metallic plate and metal guide electroplax are accommodated and are anchored in the groove of wire harness division board; Between metallic plate and wire harness division board, metal guide electroplax and metallic plate, all carry out dual connection by buckle and screw.
9. according to the flexible-packed battery group described in claim 6 or 7, it is characterized in that: on described wire harness division board, form the first end of metallic plate is carried out to spacing limiting section, and offer the screw hole corresponding with the second end of metallic plate; The first end of metallic plate forms the resettlement section suitable with metal guide electroplax first end, and the second end offers screw hole; The second end of metal guide electroplax also offers the screw hole corresponding with the screw hole of metallic plate the second end; The first end of metallic plate is limited level and vertically mobile by the limiting section of wire harness division board, and in the resettlement section of the first end insertion metallic plate of metal guide electroplax, and limited, the second end of metallic plate and metal guide electroplax is fixed by screws on wire harness division board.
10. according to the flexible-packed battery group described in claim 6 or 7, it is characterized in that: described metal guide electroplax is rigid plate.
CN201420122187.8U 2014-03-18 2014-03-18 Soft-packed battery pack and battery cell tab connecting structure Expired - Lifetime CN203733874U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201420122187.8U CN203733874U (en) 2014-03-18 2014-03-18 Soft-packed battery pack and battery cell tab connecting structure
US14/660,938 US9893341B2 (en) 2014-03-18 2015-03-18 Battery pack and device for connecting tabs of battery cells in the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420122187.8U CN203733874U (en) 2014-03-18 2014-03-18 Soft-packed battery pack and battery cell tab connecting structure

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CN (1) CN203733874U (en)

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CN104600370A (en) * 2015-01-26 2015-05-06 潘珊 Group assembling method for lithium-ion drive batteries, and lithium-ion drive battery pack
CN105261726A (en) * 2015-10-13 2016-01-20 浙江超威创元实业有限公司 Positive tab connection structure of battery and welding method
CN105895847A (en) * 2015-09-29 2016-08-24 北京长城华冠汽车科技股份有限公司 Tab connection device, power battery module and automobile
CN108028608A (en) * 2015-09-11 2018-05-11 西门子公司 Printed circuit board (PCB) power battery and middle pressure multi-cell electric power with isolation
CN108288687A (en) * 2017-12-20 2018-07-17 安徽信义电源有限公司 Cell polar ear attachment device and battery pack
CN109273650A (en) * 2017-07-18 2019-01-25 宁德时代新能源科技股份有限公司 Battery module
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Family Cites Families (3)

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* Cited by examiner, † Cited by third party
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CN104600370A (en) * 2015-01-26 2015-05-06 潘珊 Group assembling method for lithium-ion drive batteries, and lithium-ion drive battery pack
CN108028608A (en) * 2015-09-11 2018-05-11 西门子公司 Printed circuit board (PCB) power battery and middle pressure multi-cell electric power with isolation
US10720851B2 (en) 2015-09-11 2020-07-21 Siemens Aktiengesellschaft Printed circuit board power cell with isolation and medium voltage multi-cell power supply
CN105895847A (en) * 2015-09-29 2016-08-24 北京长城华冠汽车科技股份有限公司 Tab connection device, power battery module and automobile
CN105895847B (en) * 2015-09-29 2018-05-22 北京长城华冠汽车科技股份有限公司 A kind of lug attachment device, power battery module and automobile
CN105261726A (en) * 2015-10-13 2016-01-20 浙江超威创元实业有限公司 Positive tab connection structure of battery and welding method
CN109273650A (en) * 2017-07-18 2019-01-25 宁德时代新能源科技股份有限公司 Battery module
CN109273650B (en) * 2017-07-18 2021-06-04 宁德时代新能源科技股份有限公司 Battery module
CN108288687A (en) * 2017-12-20 2018-07-17 安徽信义电源有限公司 Cell polar ear attachment device and battery pack
CN111048713A (en) * 2019-12-18 2020-04-21 福建省汽车工业集团云度新能源汽车股份有限公司 Battery module pencil isolation board subassembly and battery module thereof

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